/**
  * @file  hal_global.c
  * @author  XRADIO IOT WLAN Team
  */

/*
 * Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *    1. Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the
 *       distribution.
 *    3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
 *       its contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "hal_base.h"
#include "driver/chip/hal_efuse.h"

static uint8_t g_chip_version = 0;

/**
 * @brief Global initialization for HAL module
 * @return None
 */
void HAL_GlobalInit(void)
{
	HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_DEFAULT);
	HAL_CCM_BusForceAllPeriphReset();
	HAL_CCM_BusDisableAllPeriphClock();
}

/**
 * @brief Get chip version
 * @return Chip version, 0 on failure
 */
uint32_t HAL_GlobalGetChipVer(void)
{
	uint8_t data;
	uint32_t start_bit;

	if (g_chip_version == 0) {
		if (HAL_EFUSE_Read(608, 2, &data) != HAL_OK) {
			return 0;
		}

		start_bit = (data == 0 ? 200 : 610) + 22;
		if (HAL_EFUSE_Read(start_bit, 6, &data) != HAL_OK) {
			return 0;
		}
		g_chip_version = data;
	}

	return g_chip_version;
}
